// This is a generated file, modify: generate/templates/templates/class_content.cc

#include <nan.h>
#include <string.h>

extern "C" {
  #include <git2.h>
 }

#include "../include/nodegit.h"
#include "../include/lock_master.h"
#include "../include/functions/copy.h"
#include "../include/tree.h"
#include "nodegit_wrapper.cc"
#include "../include/async_libgit2_queue_worker.h"

  #include "../include/oid.h"
  #include "../include/repository.h"
  #include "../include/tree_update.h"
  #include "../include/tree_entry.h"
 
#include <iostream>

using namespace std;
using namespace v8;
using namespace node;

  GitTree::~GitTree() {
    // this will cause an error if you have a non-self-freeing object that also needs
    // to save values. Since the object that will eventually free the object has no
    // way of knowing to free these values.
                                                       }

  void GitTree::InitializeComponent(v8::Local<v8::Object> target) {
    Nan::HandleScope scope;

    v8::Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(JSNewFunction);

    tpl->InstanceTemplate()->SetInternalFieldCount(1);
    tpl->SetClassName(Nan::New("Tree").ToLocalChecked());

          Nan::SetPrototypeMethod(tpl, "createUpdated", CreateUpdated);
            Nan::SetPrototypeMethod(tpl, "dup", Dup);
            Nan::SetPrototypeMethod(tpl, "entryById", EntryByid);
            Nan::SetPrototypeMethod(tpl, "_entryByIndex", EntryByindex);
            Nan::SetPrototypeMethod(tpl, "_entryByName", EntryByname);
            Nan::SetPrototypeMethod(tpl, "entryByPath", EntryBypath);
             Nan::SetMethod(tpl, "entryCmp", EntryCmp);
            Nan::SetPrototypeMethod(tpl, "entryCount", Entrycount);
            Nan::SetPrototypeMethod(tpl, "id", Id);
             Nan::SetMethod(tpl, "lookup", Lookup);
             Nan::SetMethod(tpl, "lookupPrefix", LookupPrefix);
            Nan::SetPrototypeMethod(tpl, "owner", Owner);
    
    InitializeTemplate(tpl);

    v8::Local<Function> _constructor_template = Nan::GetFunction(tpl).ToLocalChecked();
    constructor_template.Reset(_constructor_template);
    Nan::Set(target, Nan::New("Tree").ToLocalChecked(), _constructor_template);
  }

 
/*
  * @param Repository repo
     * @param Number nupdates
   * @param Array updates
    * @param Oid callback
   */
NAN_METHOD(GitTree::CreateUpdated) {

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("Repository repo is required.");
  }

  if (info.Length() == 1 || !info[1]->IsNumber()) {
    return Nan::ThrowError("Number nupdates is required.");
  }

  if (info.Length() == 2 || !info[2]->IsObject()) {
    return Nan::ThrowError("Array updates is required.");
  }

  if (info.Length() == 3 || !info[3]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  CreateUpdatedBaton* baton = new CreateUpdatedBaton;

  baton->error_code = GIT_OK;
  baton->error = NULL;

      baton->out = (git_oid *)malloc(sizeof(git_oid ));
// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
          baton->repo = from_repo;
        baton->baseline = Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue();
// start convert_from_v8 block
  size_t from_nupdates;
      from_nupdates = (size_t)   info[1].As<v8::Number>()->Value();
// end convert_from_v8 block
          baton->nupdates = from_nupdates;
// start convert_from_v8 block
  git_tree_update * from_updates = NULL;

  v8::Local<v8::Array> tmp_updates = v8::Local<v8::Array>::Cast(info[2]);
  from_updates = (git_tree_update *)malloc(tmp_updates->Length() * sizeof(git_tree_update));
      for (unsigned int i = 0; i < tmp_updates->Length(); i++) {
      from_updates[i] = *Nan::ObjectWrap::Unwrap<GitTreeUpdate>(Nan::To<v8::Object>(Nan::Get(tmp_updates, Nan::New(static_cast<double>(i))).ToLocalChecked()).ToLocalChecked())->GetValue();
      }
// end convert_from_v8 block
          baton->updates = from_updates;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[3]));
  CreateUpdatedWorker *worker = new CreateUpdatedWorker(baton, callback);

        if (!info[0]->IsUndefined() && !info[0]->IsNull())
          worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
        worker->SaveToPersistent("baseline", info.This());
        if (!info[1]->IsUndefined() && !info[1]->IsNull())
          worker->SaveToPersistent("nupdates", Nan::To<v8::Object>(info[1]).ToLocalChecked());
        if (!info[2]->IsUndefined() && !info[2]->IsNull())
          worker->SaveToPersistent("updates", Nan::To<v8::Object>(info[2]).ToLocalChecked());

  AsyncLibgit2QueueWorker(worker);
  return;
}

void GitTree::CreateUpdatedWorker::Execute() {
  git_error_clear();

  {
    LockMaster lockMaster(
      /*asyncAction: */true
            ,baton->out
            ,baton->repo
            ,baton->baseline
            ,baton->updates
    );

    int result = git_tree_create_updated(
baton->out,baton->repo,baton->baseline,baton->nupdates,baton->updates  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

  }
}

void GitTree::CreateUpdatedWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (baton->out != NULL) {
        to = GitOid::New(
        baton->out,
        true
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = to;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method createUpdated has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.createUpdated").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
              workerArguments.push(GetFromPersistent("repo"));
              workerArguments.push(GetFromPersistent("nupdates"));
              workerArguments.push(GetFromPersistent("updates"));
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method createUpdated has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.createUpdated").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }

        free((void *)baton->updates);

  delete baton;
}

  
/*
     * @param Tree callback
   */
NAN_METHOD(GitTree::Dup) {

  if (info.Length() == 0 || !info[0]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  DupBaton* baton = new DupBaton;

  baton->error_code = GIT_OK;
  baton->error = NULL;

        baton->source = Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue();

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[0]));
  DupWorker *worker = new DupWorker(baton, callback);

        worker->SaveToPersistent("source", info.This());

  AsyncLibgit2QueueWorker(worker);
  return;
}

void GitTree::DupWorker::Execute() {
  git_error_clear();

  {
    LockMaster lockMaster(
      /*asyncAction: */true
            ,baton->source
    );

    int result = git_tree_dup(
&baton->out,baton->source  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

  }
}

void GitTree::DupWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
          Nan::Set(
          owners,
          Nan::New<v8::Number>(owners->Length()),
          Nan::To<v8::Object>(GitRepository::New(
            git_tree_owner(baton->out),
            true
          )).ToLocalChecked()
        );
         to = GitTree::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = to;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method dup has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.dup").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method dup has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.dup").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }


  delete baton;
}

   
/*
   * @param Oid id
     * @return TreeEntry  result    */
NAN_METHOD(GitTree::EntryByid) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0
    || (!info[0]->IsObject() && !info[0]->IsString())) {
    return Nan::ThrowError("Oid id is required.");
  }
// start convert_from_v8 block
  const git_oid * from_id = NULL;
  if (info[0]->IsString()) {
    // Try and parse in a string to a git_oid
    Nan::Utf8String oidString(Nan::To<v8::String>(info[0]).ToLocalChecked());
    git_oid *oidOut = (git_oid *)malloc(sizeof(git_oid));

    if (git_oid_fromstr(oidOut, (const char *) strdup(*oidString)) != GIT_OK) {
      free(oidOut);

      if (git_error_last()) {
        return Nan::ThrowError(git_error_last()->message);
      } else {
        return Nan::ThrowError("Unknown Error");
      }
    }

    from_id = oidOut;
  }
  else {
from_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  }
// end convert_from_v8 block

  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
            ,
              from_id
    );

 const git_tree_entry * result =     git_tree_entry_byid(
          Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
,          from_id
    );

      if (info[0]->IsString()) {
        free((void *)from_id);
      }
        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (result != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, owners->Length(), info.This());
          to = GitTreeEntry::New(
        result,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
   
/*
   * @param Number idx
     * @return TreeEntry  result    */
NAN_METHOD(GitTree::EntryByindex) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0 || !info[0]->IsNumber()) {
    return Nan::ThrowError("Number idx is required.");
  }

// start convert_from_v8 block
  size_t from_idx;
      from_idx = (size_t)   info[0].As<v8::Number>()->Value();
// end convert_from_v8 block

  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );

 const git_tree_entry * result =     git_tree_entry_byindex(
          Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
,          from_idx
    );

        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (result != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, owners->Length(), info.This());
          to = GitTreeEntry::New(
        result,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
   
/*
   * @param String filename
     * @return TreeEntry  result    */
NAN_METHOD(GitTree::EntryByname) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0 || !info[0]->IsString()) {
    return Nan::ThrowError("String filename is required.");
  }

// start convert_from_v8 block
  const char * from_filename = NULL;

  Nan::Utf8String filename(Nan::To<v8::String>(info[0]).ToLocalChecked());
  // malloc with one extra byte so we can add the terminating null character C-strings expect:
  from_filename = (const char *) malloc(filename.length() + 1);
  // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
  // the middle of strings are valid coming from nodejs):
  memcpy((void *)from_filename, *filename, filename.length());
  // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
  // used in the nodejs binding generation:
  memset((void *)(((char *)from_filename) + filename.length()), 0, 1);
// end convert_from_v8 block

  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
            ,
              from_filename
    );

 const git_tree_entry * result =     git_tree_entry_byname(
          Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
,          from_filename
    );

        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (result != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, owners->Length(), info.This());
          to = GitTreeEntry::New(
        result,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
  
/*
    * @param String path
    * @param TreeEntry callback
   */
NAN_METHOD(GitTree::EntryBypath) {

  if (info.Length() == 0 || !info[0]->IsString()) {
    return Nan::ThrowError("String path is required.");
  }

  if (info.Length() == 1 || !info[1]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  EntryBypathBaton* baton = new EntryBypathBaton;

  baton->error_code = GIT_OK;
  baton->error = NULL;

        baton->root = Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue();
// start convert_from_v8 block
  const char * from_path = NULL;

  Nan::Utf8String path(Nan::To<v8::String>(info[0]).ToLocalChecked());
  // malloc with one extra byte so we can add the terminating null character C-strings expect:
  from_path = (const char *) malloc(path.length() + 1);
  // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
  // the middle of strings are valid coming from nodejs):
  memcpy((void *)from_path, *path, path.length());
  // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
  // used in the nodejs binding generation:
  memset((void *)(((char *)from_path) + path.length()), 0, 1);
// end convert_from_v8 block
          baton->path = from_path;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[1]));
  EntryBypathWorker *worker = new EntryBypathWorker(baton, callback);

        worker->SaveToPersistent("root", info.This());
        if (!info[0]->IsUndefined() && !info[0]->IsNull())
          worker->SaveToPersistent("path", Nan::To<v8::Object>(info[0]).ToLocalChecked());

  AsyncLibgit2QueueWorker(worker);
  return;
}

void GitTree::EntryBypathWorker::Execute() {
  git_error_clear();

  {
    LockMaster lockMaster(
      /*asyncAction: */true
            ,baton->root
            ,baton->path
    );

    int result = git_tree_entry_bypath(
&baton->out,baton->root,baton->path  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

  }
}

void GitTree::EntryBypathWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, Nan::New<v8::Number>(owners->Length()), Nan::To<v8::Object>(this->GetFromPersistent("root")).ToLocalChecked());
             to = GitTreeEntry::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = to;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method entryByPath has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.entryByPath").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
              workerArguments.push(GetFromPersistent("path"));
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method entryByPath has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.entryByPath").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }


  delete baton;
}

   
/*
 * @param TreeEntry e1
   * @param TreeEntry e2
     * @return Number  result    */
NAN_METHOD(GitTree::EntryCmp) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("TreeEntry e1 is required.");
  }

  if (info.Length() == 1 || !info[1]->IsObject()) {
    return Nan::ThrowError("TreeEntry e2 is required.");
  }

// start convert_from_v8 block
  const git_tree_entry * from_e1 = NULL;
from_e1 = Nan::ObjectWrap::Unwrap<GitTreeEntry>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  const git_tree_entry * from_e2 = NULL;
from_e2 = Nan::ObjectWrap::Unwrap<GitTreeEntry>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
// end convert_from_v8 block

  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              from_e1
            ,
              from_e2
    );

 int result =     git_tree_entry_cmp(
          from_e1
,          from_e2
    );


      v8::Local<v8::Value> to;
// start convert_to_v8 block
     to = Nan::New<Number>( result);
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
   
/*
     * @return Number  result    */
NAN_METHOD(GitTree::Entrycount) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );

 size_t result =     git_tree_entrycount(
          Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );


      v8::Local<v8::Value> to;
// start convert_to_v8 block
     to = Nan::New<Number>( result);
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
   
/*
     * @return Oid  result    */
NAN_METHOD(GitTree::Id) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );

 const git_oid * result =     git_tree_id(
          Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );

        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (result != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, owners->Length(), info.This());
          to = GitOid::New(
        result,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
  
/*
  * @param Repository repo
   * @param Oid id
    * @param Tree callback
   */
NAN_METHOD(GitTree::Lookup) {

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("Repository repo is required.");
  }

  if (info.Length() == 1
    || (!info[1]->IsObject() && !info[1]->IsString())) {
    return Nan::ThrowError("Oid id is required.");
  }
  if (info.Length() == 2 || !info[2]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  LookupBaton* baton = new LookupBaton;

  baton->error_code = GIT_OK;
  baton->error = NULL;

// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
          baton->repo = from_repo;
// start convert_from_v8 block
  const git_oid * from_id = NULL;
  if (info[1]->IsString()) {
    // Try and parse in a string to a git_oid
    Nan::Utf8String oidString(Nan::To<v8::String>(info[1]).ToLocalChecked());
    git_oid *oidOut = (git_oid *)malloc(sizeof(git_oid));

    if (git_oid_fromstr(oidOut, (const char *) strdup(*oidString)) != GIT_OK) {
      free(oidOut);

      if (git_error_last()) {
        return Nan::ThrowError(git_error_last()->message);
      } else {
        return Nan::ThrowError("Unknown Error");
      }
    }

    from_id = oidOut;
  }
  else {
from_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
  }
// end convert_from_v8 block
          baton->id = from_id;
            baton->idNeedsFree = info[1]->IsString();

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[2]));
  LookupWorker *worker = new LookupWorker(baton, callback);

        if (!info[0]->IsUndefined() && !info[0]->IsNull())
          worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
        if (!info[1]->IsUndefined() && !info[1]->IsNull())
          worker->SaveToPersistent("id", Nan::To<v8::Object>(info[1]).ToLocalChecked());

  AsyncLibgit2QueueWorker(worker);
  return;
}

void GitTree::LookupWorker::Execute() {
  git_error_clear();

  {
    LockMaster lockMaster(
      /*asyncAction: */true
            ,baton->repo
            ,baton->id
    );

    int result = git_tree_lookup(
&baton->out,baton->repo,baton->id  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

  }
}

void GitTree::LookupWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
          Nan::Set(
          owners,
          Nan::New<v8::Number>(owners->Length()),
          Nan::To<v8::Object>(GitRepository::New(
            git_tree_owner(baton->out),
            true
          )).ToLocalChecked()
        );
         to = GitTree::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = to;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method lookup has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.lookup").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
              workerArguments.push(GetFromPersistent("repo"));
              workerArguments.push(GetFromPersistent("id"));
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method lookup has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.lookup").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }

      if (baton->idNeedsFree) {
        baton->idNeedsFree = false;
        free((void *)baton->id);
      }

  delete baton;
}

  
/*
  * @param Repository repo
   * @param Oid id
   * @param Number len
    * @param Tree callback
   */
NAN_METHOD(GitTree::LookupPrefix) {

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("Repository repo is required.");
  }

  if (info.Length() == 1
    || (!info[1]->IsObject() && !info[1]->IsString())) {
    return Nan::ThrowError("Oid id is required.");
  }
  if (info.Length() == 2 || !info[2]->IsNumber()) {
    return Nan::ThrowError("Number len is required.");
  }

  if (info.Length() == 3 || !info[3]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  LookupPrefixBaton* baton = new LookupPrefixBaton;

  baton->error_code = GIT_OK;
  baton->error = NULL;

// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
          baton->repo = from_repo;
// start convert_from_v8 block
  const git_oid * from_id = NULL;
  if (info[1]->IsString()) {
    // Try and parse in a string to a git_oid
    Nan::Utf8String oidString(Nan::To<v8::String>(info[1]).ToLocalChecked());
    git_oid *oidOut = (git_oid *)malloc(sizeof(git_oid));

    if (git_oid_fromstr(oidOut, (const char *) strdup(*oidString)) != GIT_OK) {
      free(oidOut);

      if (git_error_last()) {
        return Nan::ThrowError(git_error_last()->message);
      } else {
        return Nan::ThrowError("Unknown Error");
      }
    }

    from_id = oidOut;
  }
  else {
from_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
  }
// end convert_from_v8 block
          baton->id = from_id;
            baton->idNeedsFree = info[1]->IsString();
// start convert_from_v8 block
  size_t from_len;
      from_len = (size_t)   info[2].As<v8::Number>()->Value();
// end convert_from_v8 block
          baton->len = from_len;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[3]));
  LookupPrefixWorker *worker = new LookupPrefixWorker(baton, callback);

        if (!info[0]->IsUndefined() && !info[0]->IsNull())
          worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
        if (!info[1]->IsUndefined() && !info[1]->IsNull())
          worker->SaveToPersistent("id", Nan::To<v8::Object>(info[1]).ToLocalChecked());
        if (!info[2]->IsUndefined() && !info[2]->IsNull())
          worker->SaveToPersistent("len", Nan::To<v8::Object>(info[2]).ToLocalChecked());

  AsyncLibgit2QueueWorker(worker);
  return;
}

void GitTree::LookupPrefixWorker::Execute() {
  git_error_clear();

  {
    LockMaster lockMaster(
      /*asyncAction: */true
            ,baton->repo
            ,baton->id
    );

    int result = git_tree_lookup_prefix(
&baton->out,baton->repo,baton->id,baton->len  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

  }
}

void GitTree::LookupPrefixWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
          Nan::Set(
          owners,
          Nan::New<v8::Number>(owners->Length()),
          Nan::To<v8::Object>(GitRepository::New(
            git_tree_owner(baton->out),
            true
          )).ToLocalChecked()
        );
         to = GitTree::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = to;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method lookupPrefix has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.lookupPrefix").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
              workerArguments.push(GetFromPersistent("repo"));
              workerArguments.push(GetFromPersistent("id"));
              workerArguments.push(GetFromPersistent("len"));
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method lookupPrefix has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Tree.lookupPrefix").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }

      if (baton->idNeedsFree) {
        baton->idNeedsFree = false;
        free((void *)baton->id);
      }

  delete baton;
}

   
/*
     * @return Repository  result    */
NAN_METHOD(GitTree::Owner) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );

 git_repository * result =     git_tree_owner(
          Nan::ObjectWrap::Unwrap<GitTree>(info.This())->GetValue()
    );

        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> to;
// start convert_to_v8 block
    if (result != NULL) {
        to = GitRepository::New(
        result,
        true
       );
   }
  else {
    to = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(to));
  }
}
    // force base class template instantiation, to make sure we get all the
// methods, statics, etc.
template class NodeGitWrapper<GitTreeTraits>;
 